Table of Contents
Advertisement
VERSION 09/2016
OPERATING MANUAL
9
TROUBLE SHOOTING AND RECTIFICATION
Functional fault
Insuffi cient product output
Poor spray pattern
Poor wrap-around
No wrap-around
Back-spray
Valve seat leaks
ORDER NUMBER DOC2360924
Cause
Nozzle too small
Product pressure too low
Product pressure generator blocked Clean or replace fi lter.
Nozzle is clogged
Product valve travel set too small
Wrongly adjusted atomizing air
Unfavorable nozzle size
Product pressure too high/too low
Spray product viscosity too high
Damaged nozzle
Poor grounding at object
Air pressure too high
Lacquer resistance too high/too low Check lacquer resistance
Spraying pressure too high
No high voltage
Seal in end piece defective
Air-passages damp
Poor grounding at object
Distance between spray gun and
object too large
High voltage set wrongly (too high) Adapt high voltage to product.
Loosen the nozzle union nut for
round jet method
Valve seat or valve tip worn
GA 5000EA
Remedy
Select larger nozzle
(see "Accessories" chapter).
Increase product pressure.
Clean or replace nozzle.
Increase product valve travel by turning
the adjusting screw.
Readjust the atomizing air.
Select a diff erent nozzle
(see "Accessories" chapter).
Adapt product pressure.
Thin product in accordance with the
manufacturer's instructions.
Attach new nozzle.
Check grounding of object or hanger
with ohmmeter.
Reduce air pressure
(see Chapter 2.5).
Readjust spraying pressure.
Switch on high voltage at the control
unit. / Repair malfunction as explained
in the control unit operating manuals.
Connect gun and gun cable/check for
defect.
Check lacquer resistance
(see Chapter 2.5).
Repair by WAGNER Service Department.
Clean and dry air passages.
Check grounding.
Reduce distance between spray gun
and work piece.
Tighten union nut by hand.
Replace valve seat or valve tip.
67
Advertisement
Table of Contents
